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MY WORK HOURS : 7AM to 11 PM INDIAN STANDARD TIME . 16 HOURS A DAY :)
I am an experienced full stack developer 19 years in the field with consistent knowledge in developing web portals with expertise in all opensource of PHP like Wordpress , Opencart, Oscommerce, Shopify, Magento, Joomla and all frameworks of PHP - cake php , larvel, CodeIgniter, YII . I do also offer services in SEO, Malware removal, speed optimizations ,
Skilled with Javascript ,Node js and React . Hence moving forward with full stack development
Faster delivery and 24/7 communication are my greatest plus. I do have a team of 10 . 2 designers and 8 coders to support on large scale web developments
My experience has ranged from an individual software contributor, through as technical team lead. Cumulatively, I have about 7 years post qualification experience as a software engineer. I have worked with multiple technologies on projects where my role includes building software features, scaling existing legacy applications mentoring junior developers and ensuring product success.
As a software engineer I think first in algorithms, data structure, design, analysis and architectural patterns when solving problems. I tend to think in a non language agnostic manner, however I favour some technological stack over others as defined:
I have experience in Javascript, Python, Rust, Kotlin and C++. I have an excellent understanding of these language features and I have built solutions with regards. I also have decent skills in user interface development. And building backend services and RESTFUL Apis.
I am currently running MSC in computer science with Georgia Tech.
I’m a senior mobile + backend engineer with 20+ years in software (PHP since 2002; professional since 2005) and 10+ years building mobile apps. I help teams ship and stabilize real products—especially apps that are “almost done” but stuck on crashes, performance, flaky networking, or release blockers.
What I can help you with (fast, practical):
• iOS (Swift, SwiftUI, UIKit): crash fixes, performance/memory, concurrency issues, architecture cleanup
• Flutter (iOS/Android/macOS): reliability, state consistency, networking/retry behavior, release readiness
• Backend stability (PHP/Laravel or custom, Python/Django, Rails): idempotency, queues, DB performance, webhook safety
• Firebase + mobile reliability: Auth/Firestore rules, Cloud Functions patterns, analytics/instrumentation
• Monetization + shipping: RevenueCat/IAP reliability, App Store Connect/Play Console, CI/CD, rejection handling
Recent work includes taking a messy iOS codebase (CakeClub) to production-ready with a Firebase Cloud Functions v2 backend, stronger security patterns, CI/release automation, and RevenueCat integration; and delivering major cross-platform Flutter work (BillBlaster) including design refinements, admin tooling, and push notification features.
If you come with logs/screenshots (Crashlytics traces, network errors, repro steps), I’ll give you a clear diagnosis and a prioritized fix plan—and if it makes sense, I can execute the fixes as a focused sprint.
If you are looking to learn about and implement machine learning, then I will be a great tutor for you.
I have helped many students understand the key concepts of machine learning, provided hands on programming lessons and assisted with coursework.
There’s nothing more rewarding than seeing my students grow in confidence and ability, and I’m excited to be a part of your journey.
I have been working as a Software Engineer for 7 years delivering high quality solutions across mobile, web and desktop platforms. Each project has deepened my understanding of the development lifecycle and strengthened my commitment to delivering innovative solutions that exceed client expectations.
As a team lead, I’ve collaborated with clients from the US and successfully navigated complex challenges to deliver results that surpass expectations. I focus on mentoring others, fostering best practices, and ensuring projects are delivered on time without compromising quality.
It is recommended you use the schedule session option (shows my available timings for each day of the week) on my profile to join a session.
Senior Full‑Stack Developer with over seven years’ experience designing, building and maintaining large‑scale web applications.
Track record of delivering end‑to‑end solutions by partnering with stakeholders to translate business and user needs into reliable software.
Committed to clean, maintainable code, performance tuning, security best practices, and automated CI/CD pipelines.
Nearly two years of hands‑on AI experience, integrating machine learning models and automation to boost product intelligence.
I’ve contributed as a developer at global leaders Adobe and Newgen, as well as at high‑growth startups MoveInSync and Zillious Solutions.
Skills
Advanced:
Java, MySQL, PostgreSQL, Spring, Hibernate, Spring Boot, Maven/Gradle, Microservices, Multithreading & Concurrency Control, Web Services (SOAP & REST), RPC, Git, Google Cloud Platform (GCP), Database Modeling & Schema Design, SQL (Stored Procedures/Functions, Triggers), Docker, Kubernetes.
Intermediate:
TypeScript, Python, Angular, React, API Gateway, Service Discovery, Load Balancer, ELK Stack, Kafka, RabbitMQ, Redis Cache, RAG (Retrieval-Augmented Generation), AI Agents, LangGraph, Vector Databases, AI Workflows, Fine‑Tuning.
Core Strengths:
Scalable system design, back‑end architecture, data structures & algorithms.
How I Can Help You
– I’m here to tackle your toughest technical challenges with expertise and dedication.
Special Offer
– Enjoy your first session free! (Terms & Conditions apply — let’s discuss your needs during our requirement-gathering call.)
Satisfaction Guaranteed
– Not satisfied? Request an instant refund, no questions asked.
For a comprehensive overview of additional technologies and frameworks tailored to your needs, please refer to the Expertise section of my profile.
Hi, I am Vishwa, a machine learning engineer and an open source enthusiast with over 8 years experience in developing and deploying multiple projects. I am an expert in managing individuals and teams as well. With me you can expect high quality code with best practices.
Hi! Am a 20+ year developer. I am an expert in iOS and Python and I have many languages and platforms I have worked in. OpenAI and AI platforms like Firebase are the main request I get and am very comfortable with them. I am happy to offer my services and see how I can help you with your projects, as a developer and mentor.
Please see my attached resume, I have loads of work experiance.
[Click to view my resume!](https://drive.google.com/file/d/15oA2Co84bOpiP54U7ChWDDGjQI16MJP9/view?usp=sharing)
My links are [derekstock.com](http://derekstock.com/) & [https://www.linkedin.com/in/derekstock/](https://www.linkedin.com/in/derekstock/) < take a look!
I have been doing a lot of tutoring on Wyzant and working contract jobs. Here is my bio [https://www.wyzant.com/match/tutor/87806470](https://www.wyzant.com/match/tutor/87806470)
I am currently looking for contract remote iOS, Python or AI development work.
Lets talk! Hopefully we can work together!
Derek
Software Developer with over 6 years of experience specializing in back-end engineering. Proven ability to design and build resilient, scalable micro-services using Java, Spring Framework, and cloud-native technologies. Consistently delivers high-performance software that enhances user experience and drives operational efficiency. Open to new challenges in Software Engineering roles.
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Frequently asked questions
How long do Flask projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Flask project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Flask request on Codementor, check out our article.
How much does it cost to hire a freelance Flask developer?
We don’t charge anything when you post a freelance hiring request for Flask developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor Flask developers different?
We do a comprehensive technical and communications screen of all Flask developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Flask developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your Flask project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.